Further Readings

1. O. Klemm, "Local and Regional Ozone: A Student Study Project," Journal of Chemical Education 78 (2001): 1641-1646.

2. R. J. Chironna and B. Altshuler, "Chemical Aspects of NOx Scrubbing," Pollution Engineering (April 1999): 33-36; R. K. Agrawal and S. C. Wood, "Cost-Effective NOx Reduction," Chemical Engineering (February 2001): 78-82.

3. A. Sheth and T. Giel, "Understanding the PM-2,5 Problem," Pollution Engineering (March 2000): 33-35.

4. (a) A-M. Vasic and M. Weilenmann, "Comparison of Real-World Emissions from Two-Wheelers and Passenger Cars," Environmental Science and Technology 40 (2006): 149-154. (b) A. Kurniawan and A. Schmidt-Ott, "Monitoring the Soot

Emissions of Passing Cars," Environmental Science and Technology 40 (2006): 1911-1915.

5. D. Mage et al., "Urban Air Pollution in Megaci-ties of the World," Atmospheric Environment 30 (1996): 681-686.

6. R. M. Heck and R. J. Farrauto, "Automobile Exhaust Catalysts," Applied Catalysis A: General 221 (2001): 443-457.

7. "Fires from Hell," New Scientist 31 (August 2002): 34-37.

Coping with Asthma

Coping with Asthma

If you suffer with asthma, you will no doubt be familiar with the uncomfortable sensations as your bronchial tubes begin to narrow and your muscles around them start to tighten. A sticky mucus known as phlegm begins to produce and increase within your bronchial tubes and you begin to wheeze, cough and struggle to breathe.

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